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Corporate Headquaters:
4265 San Felipe St.
Suite 700
Houston, TX 77027

Toll Free: 800-621-2808
or 713-621-2808

Fax: 713-621-1639


C. Bradley Tashenberg
President and CEO

Mr. Tashenberg received a Bachelors of Science in Mathematics from the State University of New York at Buffalo in 1968, and later pursued a Masters of Science in Economics.  He was awarded a Fulbright Scholarship to pursue Classical languages and a scholarship to pursue a Ph.D. in Mathematics in 1969, but decided instead to pursue a career.  Mr. Tashenberg has authored two books that were published through the American Management Association. 

Shortly after founding Bradmark in 1981, he developed its flagship product, DBGeneral, into one of the leading database utilities in the Hewlett-Packard 3000 Market.  Today, in addition to serving as Chairman of the Board with Bradmark, Mr. Tashenberg serves on the board of other public and private companies.

Butch Madrazo

Mr. Madrazo has some 40-plus years of diversified and worldwide C level experience. As Chairman, his focus is on the company's execution of action plans be they strategic, tactical, operational, marketing or financial the provides the essential tools for profitable growth.

Mr. Madrazo works with the Greater Houston Partnership (GHP), CEO Roundtable Steering Committee, and Mentors two CEO Roundtables; The Rice Alliance for Technology and Entrepreneurship; University of Houston Center for Entrepreneurship and Innovation; Texas Southern University; The Houston Technology Center (HTC-Tech Champion); The MIT Enterprise Forum of Texas; and other Pro Bono Educational and Civic Activities such as the American Red Cross.

Brad Tashenberg Jr.
Vice President


Mr. Tashenberg, Jr. began in his career with Bradmark in many capacities and several departments that spans over a 12 year period. From Programmer, Product Manager, Account Representative to Director of Public Relations, he gained a comprehensive knowledge of the internal structure of Bradmark as well as being a contributing member of the Board of Directors.

In 2001, Mr. Tashenberg moved to Washington, DC to begin his pursuit in politics. Working for Senators and expanding his experience in other political avenues including campaigns and working at the Heritage Foundation, he moved back to Houston to run for U.S. Congress in 2004 (Texas – District 10). He later returned to Washington to pursue his PhD in Economics at George Mason University. During which he remained connected to Bradmark as a consultant, becoming Vice-President of Business Development for the Federal Sector after working on the 2008 Presidential campaign.

Mr. Tashenberg returned to Bradmark in 2009 as Executive Vice-President. He currently holds a Bachelors degree in Political Science and Economics from Texas State University and is continuing his efforts on his PhD while spearheading new projects of development for Bradmark.

Charlene Arzu-Nunez
Ms. Arzu-Nunez joined Bradmark in 2007 as Manager of Accounting and has since been promoted to Controller of the Company. Prior to joining Bradmark, Mrs. Arzu-Nunez worked as a Controller for Astocare, a health care provider, and Gannett Outdoor, a company that specialized in the management of billboard advertising. She is an extremely conscientious performer, and has the unique ability to hold to her budget while remaining compassionate to the people she works with. Mrs. Arzu-Nunez holds a BS in Accounting from the University of Houston and is considering acquiring a CPA.

Edward Stangler
Director Research and Development
Mr. Stangler came to Bradmark through the acquisition of Pace Systems, which took place in June of 2000. Pace Systems was a product development company which Bradmark used as a lab for the development of its NORAD Surveillance monitoring product line. Mr. Stangler is responsible for the development of the server agent, event management, and central repository technology of the NORAD product line, along with the associated middleware. He is well respected in the field and holds an MS and BS in Computer Science from the University of Houston. Though Mr. Stangler was accepted into the PhD program at the University of Houston, he declined, favoring his work at Bradmark

Jerry Fochtman
Director Development HP3000
Mr. Fochtman joined Bradmark in 1996.  He has worked in the HP 3000 industry since 1974 and has authored many technical articles and presentations worldwide.  Additionally, he has served for many years as a Board Member, Chairman and Executive Committee member for the Hewlett-Packard International User's Group at both the regional and international level.  Since 1997 Mr. Fochtman, has served as the Chairman of the HP 3000 technical presentations for the annual international HP World Conference.He holds a Bachelors of Science in Mathematics from Western Michigan University. 

Timothy Joseph
Worldwide Director of Technical Support
Mr. Joseph has been with Bradmark for 20 years, over which time he and his group earned a reputation for providing the finest technical support service in the HP3000 and RDBMS markets. He is an excellent manager and very gifted technician – a very difficult combination to find. Prior to joining Bradmark, Mr. Joseph was head of Technical Support for VeSoft, one of the most revered system software companies in the Hewlett Packard HP3000 market. Mr. Joseph has an MS in Economics for the University of California at Irvine and currently heads up our Seattle satellite office.

Johnson Avery Jr.
Director of Marketing

Joining Bradmark in 1986, Mr. Avery is the senior most member of the Bradmark family. Over the years, he has matured from a graphic artist, to ad manager, webmaster, creative director, and finally to Director of Marketing in 2000. A creative marketing and communications professional with over 15 years B2B experience, Mr. Avery is a key contributor in building both corporate and product awareness, and is responsible for all aspects of marketing for Bradmark.

A member of AMA and various graphic design organizations, Mr. Avery is currently an active marketing committee member for the International Sybase Users Group (ISUG). He holds a Bachelors of Arts in Journalism and Graphic Design from California State University of Fresno.